Wagon-jack.



No. 769,476. PATENTED SEPT. 6, 1904.

D, D. GETMAN.

WAGON JACK.

APPLICATION FILED FEB.12, 1904. N0 MODEL. 2 SHBETSSHEET 2.

a Q m s IIIIIIHIIII ammuunn Patented September 6, 190-1. y

PATENT OEETcE.

DAVID D. GETMAN, OF BROVN VALLEY, MINNESOTA.

WAGON-JACK.

SPECIFICATION forming part of Letters Patent No. 769,476, datedSeptember 6, 1904.

Application filed February 12,1904. erial No. 193,263. No model.)

To all whom may concern:

Be it known that 1, DAVID D. GETMAX. of Brown Valley, Traverse county,Minnesota, have invented a certain new and Improved lVagon-Jack, ofwhich the following is a specitication.

The object of my invention is to provide a device by means of which thewagon or carriage wheel can be raised from the ground and the axle-nuteasily and quickly removed for the purpose of oiling the axle.

A further object is to provide a device adapted for use with a heavy ora light vehicle.

A further object is to provide a combined jack and wrench that iscompact, of simple and inexpensive construction, and very durable.

The invention consists generally in various constructions andcombinations, all as hereinafter described, and particularlypointed outin the claims.

In the accompanying drawings, forming part of this specification, Figure1 is a plan view of a combined jack and wrench embodying my invention.Fig. 2 is a side elevation showing the device in use, the position ofthe jack when the wheel is raised being indicated by dotted lines. Figs.3 and 4 are detail sectional views of the wrench device. Fig. is a sideview of the jack. Fig. 6 is a vertical section of the same. Fig. 7 is atransverse section on the line :2 :r of Fig. 6. Fig. 8 is a section onthe line 1 9 of Fig. 6.

In the drawings, 2 represents a suitable base having asocket 3, whereinthe lower end of a hollow standard 4 is mounted on a pivoted pin 5. Thehole 6 for said pin is sufficiently large to allow a limited lateralmovement of the standard on its pivot. The up per end of the standard isprovided with a bearing 7, substantially square in cross-section,wherein arod or shank 8, also square in cross-section and fitting withinthe hollow standard, is vertically slidable. This rod is provided on oneside with a series of ratchetteeth 9, that are engaged by a pawl 10.normally held in engagement with said teeth by a spring 11. I prefer toprovide a lug 12 on said pawl adapted to enter a hole 13 on the rod 8and lock the said rod within the standard and prevent its accidentaldisengagement therefrom. The device can then be hung up when not in usewithout danger of the parts becoming separated.

Upon the upper end of the rod 8 I pivot a block M, provided on one sidewith a lip or flange 15, having a concave outer edge 16, whereon awheel-hub rests when it is raised from the ground.

A socket 17 is provided on the block 14 to receive the iixed jaw 18 of awrench 19. This wrench is preferably provided with a long handle orshank, so that the person using the device can obtain a long leverage onthe wheel, and near the fixed jaw the shank is provided with acorrugated or roughened surface 20 to cooperate with a similar surfaceon the movable jaw 21. The corrugated surface on the jaw 21 ispreferably made convex or crowning, as indicated in Figs. 3 and 4t, anda camlevcr 22 is mounted on said jaw and adapted to engage the underside of the shank and draw the convex surface of the said jaw againstthe corresponding surface of the shank and prevent the jaw fromslipping. In Figs. 3 and 41 have shown the wrench in position on theaxle-nut with the cam-lever in its unlocked position and also in itslocked position, and when so locked it is merely necessary for theoperator to hold the cam-lever with one hand and whirl the wrench-shankforward or back to tighten or loosen the nut. A stop 23 is preferablyprovided in the wrench-shank to limit the movement of the jav 21thereon.

In Figs. 2 and 8 1 have shown a device for supporting a grease-box onthe standard 4, comprising a ring or band 24, provided on one side witha lockingscrew 2.5 and on the other with a depending linger 26, betweenwhich and the wall of the standard the edge of the grease-box is slippedand clamped by the tightening of the lockingscrew. In Fig. 6 l haveshown a similar locking means for an oil-can 28. that is provided with aband 29,

adapted to be slipped in between the standard 9 and the linger 26. Thisband merely holds the can in place, the bottom resting on the base 2.

The operation of my wagon jack and wrench is as follows: The devicehaving been placed near a wheel, the operator will raise the rod 8 untilthe lip 15 contacts with the under side of the wheel-hub, where it willbe locked by the pawl 10. He will then slip the fixed jaw of the wrenchinto the socket 17 and'tu'rnthe blockon its pivot to the position shownin Fig. 6 and raise the wheel from the ground. The Wrench is thenremoved from the socket, adjusted to fit the axle-nut, and the nuteasily and quickly removed. Then the standard 4: is swung outward on itspivot, slipping the Wheel partially off the axle until its rim strikesthe base of the jack and prevents further movement. The exposed axle canthen be oiled or greased and the operation above described reversed.

I do not in this application wish to confine myself to any particularsize of the wrench and jack or to the material employed in theirconstruction, the essential features being the pivoted block to engagethe Wheel-hub, the pivotally-supported standard therefor,and the Wrenchemployed for tilting theblock and removing the axle-nut. The Wrench willclamp the axle-nut firmly and prevent it from dropping down in the dirtafter being removed from the axle and will hold itisecurely, ready to beplaced in position again as soon as the oiling operation is completed.

I claim as my invention 1. The combination,with a suitable base, of avertically-movable support pivoted thereon, a block pivoted on saidsupport and having a part to engage the wheel-hub, and means for tiltingsaid block to raise the wheel from the ground.

2. The combination, with a base, of a rod pivotally supported thereonand vertically movable with respect thereto, a block pivoted on said rodand having a lip or flange prolow standard pivoted thereon, a rodvertically movable in said standard and having a series ofratchet-teeth, a pawl carried by said standard and engaging said teeth,a block' pivoted on said rod and having a lip or flange on one "sideprovided with a concave edge, for the purpose specified.

4. The combination, with a suitable base, of a rod pivoted thereon andvertically movable with respect thereto, a tilting block carried by saidrod and adapted to engage the wheelhub, said block having a socket onone side, and a tilting device adapted to enter said socket.

5. The combination, with a suitable base, of a support verticallymovable thereon, a block pivoted on said support and having alaterallyextending lip or flange provided with a concave outer edge, anda socket wherein a tool may be inserted to tilt said block, for thepurpose specified.

6. In a wagon-jack, a standard, in combination with a block pivotedthereon, said block having a horizontally-extending flange adapted toengage the under side of the wheel-hub, the outer end of said flangebeing concave to form a seat for the hub when the block is tilted, andmeans for tilting said block.

7 In a wagon-jack, the combination, witha standard 4, of a band clampedthereon and provided with a depending finger, for the purpose specified.

8. A wagon-jack comprising a base, a standard pivoted thereon andadapted to swing toward and from the wheel in line with the axle, and apivoted hub-engaging member supported by said standard and having asurface to engage the under side of a wheel-hub before it is raised anda concave surface to receive said hub when it is raised.

In witness whereof I have hereunto set my hand this 5th day of February,1904.

DAVID D. GETMAN.

In presence of- RICHARD PAUL, M. HAGERTY.

